Through the structure parameter optimization, the matching between firing frequency and structure solid vibration frequency was more reasonable and the dynamic stability of firing was realized.

通过对其结构参数优化，使其射击频率与结构固有振动频率匹配更加合理，实现其射击的动态稳定性。

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If you have a solid base for your knowledge claims, then your knowledge structure is more likely to be strong, valid, true.

如果你的知识有坚实的基础，那么你的知识结构就更有可能强大、有效、真实。

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and added a structure of math upon it, to build this edifice, which is a very solid edifice of thermodynamics as a science of equilibrium systems.

了这座热力学的坚固大厦，这是一门，平衡态系统,的科学。

麻省理工公开课 - 热力学与动力学课程节选

Even though helium atoms are four times chunkier than hydrogen atoms, they are still small enough to find all the weak spots as they worm their way through the crystalline structure of solid steel several centimetres thick.

ECONOMIST: Tech.view

For one, you enter into near total, disorienting darkness, into the windowless hall of the solid structure.

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Collins needs to go to a team with solid structure and an assertive coach and GM, Lee said.

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